Improved online template

Mac Os, Windows and Linux, Excel, Libreoffice and others

Any software and cross platform

Assayfit Pro curve fitting for laboratory assays and other scientific data provides maximum flexibility as it can be used on any operating system and from many existing software packages.
Use curve fitting functions like four parameter logistic, five parameter logistic and linear and Passing Bablok regression in Excel, Python, R and online. Create calibration curves and calculate unknown values.
Use it to automate curve fitting and write your own scripts. A free API key is available. Paid plans provide additional features. Join now and try examples in Excel, R, Python and others.

How to use

Free version of Assayfit Pro

To use the free version obtain a free API key at Assaycloud.com, no credit card required, and download the templates for Excel, R, Python, Java and C sharp for Assayfit Pro. You can use the API key for two weeks with unlimited renewal options after your key is expired.
The free API key will allow you to use 50 curve fits with almost identical features as the payed versions

Paid plans

Paid plans provide an unlimited number of curve-fits and more data points (up to 500). You can choose from three paid plans, the INDIVIDUAL, GROUP and PREMIUM plans. The INDIVIDUAL plan is a single user plan, the GROUP key is a multi-user plan. The PREMIUM plan is a custom plan for large data sets. Compare plans or view the full feature list below. Additional information is available on assaycloud.com.